第9周任务1

#include <iostream>      
using namespace std; 
#include "99.h"

ostream& operator << (ostream& output,Complex&c)//注意加上output，c,声明时没加上
{
 output<<"("<<c.real<<"+"<<c.imag<<"i)";
 return output;
}
istream& operator >>(istream& input,Complex&c)
{
 cout<<"请输入数据：";
 input>>c.real>>c.imag;
 return input;
}
Complex Complex::operator-()  

{  

 return (0-*this);///////////////////////////////////this代表当前对象   

}  

Complex operator+(Complex &c1,Complex &c2)    

{    

 Complex c;    

 c.real=c1.real+c2.real;    

 c.imag=c1.imag+c2.imag;    

 return c;    

}    



//复数相减：(a+bi)-(c+di)=(a-c)+(b-d)i.      

Complex operator-(Complex &c1,Complex &c2)    

{    

 Complex c;    

 c.real=c1.real-c2.real;    

 c.imag=c1.imag-c2.imag;    

 return c;    

}    



//复数相乘：(a+bi)(c+di)=(ac－bd)+(bc+ad)i.      

Complex operator*(Complex &c1,Complex &c2)    

{    

 Complex c;    

 c.real=c1.real*c2.real-c1.imag*c2.imag;    

 c.imag=c1.imag*c2.real+c1.real*c2.imag;    

 return c;    

}    



//复数相除：(a+bi)/(c+di)=(ac+bd)/(c^2+d^2) +(bc-ad)/(c^2+d^2)i       

Complex operator/(Complex &c1,Complex &c2)    

{    

 Complex c;  



 c.real=(c1.real*c2.real+c1.imag*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);    

 c.imag=(c1.imag*c2.real-c1.real*c2.imag)/(c2.real*c2.real+c2.imag*c2.imag);    

 return c;    

}     



//复数相加：(a+bi)+(c+di)=(a+c)+(b+d)i.       

Complex operator+(Complex &c1,double d)    

{    



 Complex n(d,0);  



 return c1+n;    

}    



//复数相减：(a+bi)-(c+di)=(a-c)+(b-d)i.      

Complex operator-(Complex &c1, double d)    

{    



 Complex n(d,0);  



 return c1-n;    

}    



//复数相乘：(a+bi)(c+di)=(ac－bd)+(bc+ad)i.      

Complex operator*(Complex &c1,double d)    

{    



 Complex n(d,0);  

 ;    

 return c1*n;    

}    



//复数相除：(a+bi)/(c+di)=(ac+bd)/(c^2+d^2) +(bc-ad)/(c^2+d^2)i       

Complex operator/(Complex &c1,double d)    

{    



 Complex n(d,0);  



 return c1/n;    

}    

Complex operator+(double d,Complex &c1)    

{    

 Complex n(d,0);  



 return n+c1;    

}    



//复数相减：(a+bi)-(c+di)=(a-c)+(b-d)i.      

Complex operator-(double d,Complex &c1)    

{    



 Complex n(d,0);  



 return n-c1;    

}    



//复数相乘：(a+bi)(c+di)=(ac－bd)+(bc+ad)i.      

Complex operator*(double d,Complex &c1)    

{    



 Complex n(d,0);  



 return n*c1;    

}    



//复数相除：(a+bi)/(c+di)=(ac+bd)/(c^2+d^2) +(bc-ad)/(c^2+d^2)i       

Complex operator/(double d,Complex &c1)    

{    



 Complex n(d,0);  



 return n/c1;    

}     

void Complex::display()    

{    

 cout<<"("<<real<<","<<imag<<"i)"<<endl;    

}    



int main()    

{    


 //Complex c1(3,4),c2(5,-10),c3; 
 Complex c3,c1,c2;
 cin>>c1>>c2;

 double d=11;  

 cout<<"c1=";    
 cout<<c1<<endl;

 //c1.display();    

 cout<<"c2=";   
 cout<<c2<<endl;

 //c2.display();    

 c3=c1+c2;  

 cout<<"c1+c2=";

 cout<<c1+c2<<endl;
 //c3.display();  

 cout<<"d+c2=";  

 cout<<d+c2<<endl;

 cout<<"c2+d=";  

 cout<<c2+d<<endl;

 c3=c1-c2;   

 cout<<"c1-c2=";    

 //c3.display();
 cout<<c3<<endl;
 cout<<"c2-d";  

 (c2-d).display();  

 cout<<"d-c2";  

 (d-c2).display();  

 c3=c1*c2;  

 cout<<"c1*c2=";    

 c3.display();  

 cout<<"d*c2=";  

 (d*c2).display();  

 cout<<"c1*d=";  

 (c1*d).display();  

 c3=c1/c2;    

 cout<<"c1/c2=";    

 c3.display();   

 cout<<"d/c2";  

 (d/c2).display();  

 cout<<"c2/d";  

 (c2/d).display();  

 system("pause");    

 return 0;    

}